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Helpful ReplyBumblebee (another NA -> turbo conversion)

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Deco
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Re: Bumblebee (another NA -> turbo conversion) 2014/12/16 19:25:54 (permalink)
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An exciting package arrived today. Looking forward to installing on the weekend. 


1994 GT with 96 3SGTE (217rwkw)


RHOK
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Re: Bumblebee (another NA -> turbo conversion) 2014/12/16 23:56:50 (permalink)
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I really like yellow Mr2
 
Nik_Lee
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Re: Bumblebee (another NA -> turbo conversion) 2014/12/17 08:20:56 (permalink)
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Deco
An exciting package arrived today. Looking forward to installing on the weekend. 
 




I bet you are looking forward to getting your yellow one back on the road! Does this mean we might see it back out for the January north run?

Current ride, 2010 TT RS
Previous ride, 1994 JDM MR2 Turbo hardtop
http://www.mr2australia.c..r2play/tm.aspx?m=105959
 

Deco
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Re: Bumblebee (another NA -> turbo conversion) 2014/12/17 18:38:19 (permalink)
+1 (1)
RHOK
I really like yellow Mr2
 



Yellow is definitely my favourite of all the stock colours. But a nice red one like Nik_Lee's is very hard to pass up also.  
 
Nik_Lee
Deco
An exciting package arrived today. Looking forward to installing on the weekend. 
 




I bet you are looking forward to getting your yellow one back on the road! Does this mean we might see it back out for the January north run?



I cant even begin to explain how torturous it has been seeing it just sit in the workshop. You will most certainly see it on the north run. Old Pac will definitely be a good test in how well I have setup the coilovers. 




1994 GT with 96 3SGTE (217rwkw)


Deco
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Re: Bumblebee (another NA -> turbo conversion) 2015/01/15 22:18:59 (permalink)
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The past 5 weeks have been full of pleasure and pain.

The coilovers went in with not much trouble.
 
 
Only issue being that the front two wheels were scrubbing the housings. But that was easily sorted by loosening off the strut bolts and pulling the wheels out slightly. They now have around 2 to 3mm spacing between the wheels and the coilover housing. 
 

The ride height worked out perfect and is sitting around stock. She now soaks up bumps in the roads nicely better than stock in my opinion (Clicks set to: 10 in the front and 16 in the rear). The ride so far isnt as harsh as everyone has made it out to be. But it seems that its still getting stiffer with each drive so it may get worse. 

Whilst I had the front bumper off I fixed the passenger side mounting point as it broke some years ago through towing. Nothing like a little bit of Araldite to solve all problems....and a bit of mesh. I also did a bit of rust prevention on front whilst I was at it and added a new lick of paint to it also. 





As for the red one. Ive taken the engine out to assess the damage. 
The timing belt was holding in there still to my surprise.

The tensioner had let loose like I thought. But there was a lot more than met the eye. Turns out that the correct tensioner bearing assembly was not put back on the engine when rebuilt. It was -0.5mm out compared to stock and with an incorrect washer behind it meant that it was out another -0.5mm. Those coupled with the bearing itself having 1mm of movement in it bringing the total to 2mm out. It now makes sense why the belt kept walking and wearing as a result. 

I removed everything that was incorrect and replace it with all stock items and put heli-coils in to solve the stripped threads on the tensioner itself. Put everything back together, set the timing and put the engine back in the car. 
 
I started the engine; everything was going well and it was idling great. Then tragedy struck! The engine dumped all of its engine oil onto the ground. My head sunk straight into my hands and Im thinking to myself why do I deserve this. It seemed that now the oil pump had given up the ghost. So the engine came back out and the T-belt off again. Oil pump came off and it appears that the pump itself is fine except that it was never replaced for a new one. Instead the engine rebuilders only put in a new bearing. Which is fine except the bearing has 2mm of movement in it....
Nonetheless it was evident the main seal is shot and now new one is required. 

 
Whilst this engine has been nothing but bad luck to me. The negligence of the engine rebuilders truly irks me, especially with how much I paid for it to be done. I wont continue on with the rant but I am dumbfounded by the shortcuts taken in the rebuild which don't seem any easier than using the correct parts. 

The saga will continue....
 
post edited by Deco - 2015/01/15 22:23:51

1994 GT with 96 3SGTE (217rwkw)


Senor_2
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Re: Bumblebee (another NA -> turbo conversion) 2015/01/16 10:00:21 (permalink)
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Damn that's some dodgy work by the rebuilders, paid them a friendly visit yet?

A man in Dandism
==========================
SW20 Midship Runabout
Deco
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Re: Bumblebee (another NA -> turbo conversion) 2015/01/16 20:10:49 (permalink)
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No I havent and I dont think I will. The engine is outside of its warranty now and trying to get any form of compensation out of them would result in going to court with a nice court fee to follow; which would out weigh the cost of the rebuild. All I can do is keep forking out the dosh 

1994 GT with 96 3SGTE (217rwkw)


Deco
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Re: Bumblebee (another NA -> turbo conversion) 2015/08/06 22:34:49 (permalink)
+1 (1)
Wow! Its been a while since Ive updated this. Unfortunately I had lost a lot of motivation on both cars after constant disappointment but Im back for more.  

Good news is that the G-Limited has been back on road and running perfect for a couple months now. I ended up giving it to MRC to problem solve as I was time poor. They ended up finding that the engine builders put a different crank sprocket on which had one tooth less than it should of had. Unfortunately there wasn't enough adjustment in the distributor to get the engine under stable control where I then found quite a few toasted capacitors inside the ECU which also probably wasn't helping the situation either. So I decided to grab the PnP 3SGTE Adaptronic ECU and have it control the timing which has done nothing but wonders as the engine has never run so smooth including back to when I first bought it, though it has lost a KW on the dyno compared to the stock ECU. 

 
As for the yellow beast, well nothing has happened since a severe boost leak or possible worn out turbo which occurred back in Feb. Since then I have tackled all areas of where a boost leak could be except one which requires an engine drop. I am still unsure what the issue is but with any luck it will be solved over the next couple of months. So since about April I have been agonising over what course of action to take to solve the issue. The first requires me to potentially take the engine out twice if its not a boost leak on the bottom of the IC but is the cheapest option. The second option only requires the engine to come out once but isn't cheap at all. 

After much thought and some reassuring from some friends who own Silvias. Option two was chosen and this is the result so far...


 
Stay tuned...

1994 GT with 96 3SGTE (217rwkw)


Dudeman
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Re: Bumblebee (another NA -> turbo conversion) 2015/08/06 23:48:13 (permalink)
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Wow, so just for the record can you say who probably isn't high on your its of engine rebuilders?

.
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robk
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Re: Bumblebee (another NA -> turbo conversion) 2015/08/07 00:14:00 (permalink)
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I love this update!

There is an extensive build thread for my car here: http://www.mr2australia.com/mr2play/tm.aspx?m=18316
Mrskylighter
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Re: Bumblebee (another NA -> turbo conversion) 2015/08/07 05:46:18 (permalink)
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Option two looks like it will be fun :)
Nik_Lee
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Re: Bumblebee (another NA -> turbo conversion) 2015/08/07 06:47:30 (permalink)
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Looking forward to seeing where this update leads, looks like lots of fun 

Current ride, 2010 TT RS
Previous ride, 1994 JDM MR2 Turbo hardtop
http://www.mr2australia.c..r2play/tm.aspx?m=105959
 
Deco
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Re: Bumblebee (another NA -> turbo conversion) 2015/08/07 16:24:26 (permalink)
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Dudeman
Wow, so just for the record can you say who probably isn't high on your its of engine rebuilders?




Lets just say I wouldn't be contacting BM Higginbottom in Belmore if I required a rebuild next week.

1994 GT with 96 3SGTE (217rwkw)


Deco
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Re: Bumblebee (another NA -> turbo conversion) 2015/08/07 16:28:39 (permalink)
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I'm certainly getting excited to say the least!
Planning on mocking the turbo and lines up this weekend. Though Im still undecided on a clutch. I'm thinking of contacting NPC to see what they recommend for the 270-280kw range. 
 

1994 GT with 96 3SGTE (217rwkw)


Reddtarga
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Re: Bumblebee (another NA -> turbo conversion) 2015/08/07 17:07:04 (permalink)
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"The tensioner had let loose like I thought. But there was a lot more than met the eye. Turns out that the correct tensioner bearing assembly was not put back on the engine when rebuilt. It was -0.5mm out compared to stock and with an incorrect washer behind it meant that it was out another -0.5mm. Those coupled with the bearing itself having 1mm of movement in it bringing the total to 2mm out. It now makes sense why the belt kept walking and wearing as a result."
 
I just remembered this post on MR2OC that might be of interest:
http://www.mr2oc.com/showthread.php?t=470147&highlight=tensioner
 
 

1990 ADM NA
Any advice you get from me may only be worth what you paid for it.
 
 
 
 
 
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